IBM DCS9550 1S1 manual Procedure, Power Supply/Cooling Module Installation

Installation

•Rack mount front flange mounting screws (4 off).

2.2.3.2Procedure

1Check for damage.

2Slide the chassis assembly onto the rack rails until the front flanges engage on the rack.

3Ensure the chassis is centrally located. If in doubt about correct orientation, the drive bays (at front) should have their black drive connectors toward the bottom of each bay.

4Screw the 4 front rack mount screws through the flanges and tighten.

5Fit and tighten the rear hold down screws ensuring the enclosure is in tight contact to both the side and top of the chassis to avoid any movement of the chassis in the rack.

2.3Power Supply/Cooling Module Installation

•Two power supply/cooling modules to be installed in the rear of the enclosure in positions 1 and 5.

!Do not remove covers from the power supply unit. Danger of electric shock inside. Return the PSU to Customer Service for repair.

Warning

2.3.1Parts Check List

•2 x AC, 450W Power Supply/Cooling Modules

2.3.2Power Supply/Cooling Module Procedure

Important PSU1 (RH rear bay) must be fitted “upside-down”(Figure 2–1). If necessary, reorient the power cord clip so that the power cord can be properly retained.

1Check for damage, especially to the rear connector on the supply.

Caution Handle the module carefully and avoid damaging the connector pins. Do not install the module if any pins appear to be bent.

2With the PSU handle in the open position (Figure 2–2),slide the module into the enclosure (Figure 2–3).

18 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide